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668245151324 = 2231167106930187
BaseRepresentation
bin10011011100101101000…
…00111100111001011100
32100212212011010221112102
421232112200330321130
541422031224320244
61230553152424232
766164511031532
oct11562640747134
92325764127472
10668245151324
11238445a6a903
12a9615b48078
134b02766325a
14244b3bb8152
15125b139354e
hex9b9683ce5c

668245151324 has 48 divisors (see below), whose sum is σ = 1215557253120. Its totient is φ = 321096934080.

The previous prime is 668245151323. The next prime is 668245151339. The reversal of 668245151324 is 423151542866.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (668245151323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22121759 + ... + 22151945.

It is an arithmetic number, because the mean of its divisors is an integer number (25324109440).

Almost surely, 2668245151324 is an apocalyptic number.

It is an amenable number.

668245151324 is a deficient number, since it is larger than the sum of its proper divisors (547312101796).

668245151324 is a wasteful number, since it uses less digits than its factorization.

668245151324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31458 (or 31456 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 47.

The spelling of 668245151324 in words is "six hundred sixty-eight billion, two hundred forty-five million, one hundred fifty-one thousand, three hundred twenty-four".

Divisors: 1 2 4 31 62 124 167 334 668 1069 2138 4276 5177 10354 20708 30187 33139 60374 66278 120748 132556 178523 357046 714092 935797 1871594 3743188 5041229 5534213 10082458 11068426 20164916 22136852 32269903 64539806 129079612 156278099 312556198 625112396 1000366993 2000733986 4001467972 5389073801 10778147602 21556295204 167061287831 334122575662 668245151324